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Desenvolvimento e calibração de um mini-tanque evaporimétrico
(Universidade Federal de Santa Maria, 2004-02-27)
The present work had as aim a development and calibration of a small evaporation pan comparing its evaporation with class A pan and its capability to estimate the reference evapotranspiration comparing it with the ...
Evaporação de água do solo na fase inicial de desenvolvimento das culturas do milho e soja
(Universidade Federal de Santa Maria, 2009-03-18)
The principal element for plants is water, which is an important mainly production in a non-irrigated areas, and even more in places which haves insufficient rainfall. The
use of straw protects soil from evaporation keeping ...
Nutrientes na água do escoamento superficial em sistema plantio direto com mulching vertical
(Universidade Federal de Santa Maria, 2004-10-18)
The main pollutants of water resources from agricultural areas are organic matter, sediments, nutrients and pesticides, carried out mainly by runoff from farming lands. Considering this fact, it is very important the ...
Uso do método árvore de causas na investigação de acidente rural
(Universidade Federal de Santa Maria, 2008-01-21)
The accidents at work cause thousands of deaths every day around the world and Brazil is considered one of the champions of occurrences. They are caused by many
factors of being human, organizational, machinery and equipment ...
Levantamento e identificação de símbolos gráficos utilizados para caracterizar comandos e controles de tratores agrícolas
(Universidade Federal de Santa Maria, 2008-01-23)
The main objective of the study was carrying out the review and identification of the graphic symbols used in tractors, using as a setting technical standards ABNT NBR 11379 (1990) and ISO 11684 (1995), with the purpose ...
Fluxo de gases de efeito estufa em sistemas de preparo do solo e rotação de culturas no planalto do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2009-02-27)
The main greenhouse gases (GHG) are the nitrous oxide (N2O), methane (CH4) and carbon dioxide (CO2), whose atmosphere concentrations increased in an unprecedented rate since the Industrial Revolution. This work aim evaluates ...
Irrigação localizada na cultura do feijoeiro na depressão central - RS
(Universidade Federal de Santa Maria, 2009-02-27)
During the second harvest in the central region of Rio Grande do Sul, pluvial precipitations are usually irregularly distributed along the bean production cycle. This irregular distribution of rains during the bean cultivation ...
Influência de lâminas de irrigação sobre a produtividade da rebrota de Hemarthria altíssima
(Universidade Federal de Santa Maria, 2009-07-17)
The uses of the natural or cultivated grassland can be considered an important vital productivity possibility to the cattle raising holding in many different places in the world, where farmers who have cattles, sheeps, and ...
Tecnologia mecanizada em preparo de área sem queima no Nordeste paraense
(Universidade Federal de Santa Maria, 2005-02-17)
The no tillage on fallow vegetation technology uses of the secondary vegetation that expontaneously grows from existing roots and stumps from the traditional process of slash and burn preparation of that vegetation in the ...
O fenômeno El Niño Oscilação Sul e a erosividade das chuvas em Santa Maria, RS
(Universidade Federal de Santa Maria, 2009-02-19)
A large-scale phenomenon that greatly affects the weather and the climate of different locations of the Globe and that has been widely studied during the last three decades is the El Niño Southern Oscilation (ENSO). ENSO ...